1. AICV (2000). Association of the Cider and Fruit Wine Industry of the EU. http://www.aicv.org/cider/html/framel.htm. Accessed March 2000.
2. Barker, B.T.P. (1906). Cider sickness. Ann Rept Long Ashton Res Stn for 1906 ,30-31.
3. Barker, B.T.P. (1943). The production of cider fruit on bush trees—vintage quality trials. Ann Rept Long Ashton Res Stn for 1943, 124-135.
4. Baron, A. & Drilleau, J.-F. (1982). Utilisation of pectin esterases in the cider industry. In Use of Enzymes in Food Technology, pp. 471-476. Edited by P. Dupuy. Paris: Lavoisier.
5. Beech, F.W. (1972a). English cidermaking—technology, microbiology and biochemistry. In Progress in Industrial Microbiology, pp. 133-213. Edited by D.J.D. Rockenhull. London: Churchill Livingstone.